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mm: remove the second argument of k[un]map_atomic()

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Signed-off-by: Cong Wang <[email protected]>
This commit is contained in:
Cong Wang 2011-11-25 23:14:39 +08:00 • committed by Cong Wang
commit 9b04c5fec4
7 changed files with 35 additions and 35 deletions
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8
mm/filemap.c
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@ -1318,10 +1318,10 @@ int file_read_actor(read_descriptor_t *desc, struct page *page,
* taking the kmap.
*/
if (!fault_in_pages_writeable(desc->arg.buf, size)) {
kaddr = kmap_atomic(page, KM_USER0);
kaddr = kmap_atomic(page);
left = __copy_to_user_inatomic(desc->arg.buf,
kaddr + offset, size);
kunmap_atomic(kaddr, KM_USER0);
kunmap_atomic(kaddr);
if (left == 0)
goto success;
}
@ -2045,7 +2045,7 @@ size_t iov_iter_copy_from_user_atomic(struct page *page,
size_t copied;
BUG_ON(!in_atomic());
kaddr = kmap_atomic(page, KM_USER0);
kaddr = kmap_atomic(page);
if (likely(i->nr_segs == 1)) {
int left;
char __user *buf = i->iov->iov_base + i->iov_offset;
@ -2055,7 +2055,7 @@ size_t iov_iter_copy_from_user_atomic(struct page *page,
copied = __iovec_copy_from_user_inatomic(kaddr + offset,
i->iov, i->iov_offset, bytes);
}
kunmap_atomic(kaddr, KM_USER0);
kunmap_atomic(kaddr);
return copied;
}